CVE-2026-7722CWE-287

PrefectHQ prefect Health Check API health endswith improper authentication

Medium · published May 4, 2026

CVSS v4.0
6.9
EPSS
1%
Percentile
55.1
In the wild
Unconfirmed
What it is

A vulnerability was detected in PrefectHQ prefect up to 3.6.21. This impacts the function endswith of the file /api/health of the component Health Check API. Performing a manipulation results in improper authentication. The attack is possible to be carried out remotely. The exploit is now public and may be used. Upgrading to version 3.6.22 will fix this issue. The patch is named e21617125335025b4b27e7d6f0ca028e8e8f3b79. Upgrading the affected component is recommended. The vendor was contacted early, responded in a very professional manner and quickly released a fixed version of the affected product.

The record
Technical detail
CVSS v4.0
6.9 · MEDIUM
Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P
EPSS
0.00767 · 55.1th percentile
Weakness
CWE-287 · Improper Authentication
Published
2026-05-04T02:15Z
EPSS history
Timeline
  • 04 MAY 02:15Z
    PrefectHQ prefect Health Check API health endswith improper authentication
    cvelistv5